Sensor for measurement of hydrocarbons concentration based on optic fiber

Joanna Pawlat, Xuefeng Li, Takahiro Matsuo, Yura Zimin, Toshitsugu Ueda

    研究成果: Conference contribution

    抄録

    Measuring system based on Photonic Bandgap Fiber (PBGF), which will be able to detect, distinguish and measure the concentration of various aliphatic hydrocarbons is proposed. Such a system can be applied on each stage of fuel evaluation, production, distribution and storage of petroleum products. Aliphatic hydrocarbons absorption spectra show several peaks around 1400-1600 nm wavelength. Thus, tunable lasers with 20 micron core photonic bandgap fiber matching above wavelengths were chosen for the optical measurement system. Measurements were performed at a low pressure to eliminate pressure broadening effect and to sharpen the absorption peaks. The sensitivity of measurement increases with increasing of the fiber's length. Length of fiber was adjusted using several methods. The best results were obtained using argon ion beam cutting. The angled cut was performed to improve signal to noise ratio.

    本文言語English
    ホスト出版物のタイトルProceedings of SPIE - The International Society for Optical Engineering
    7389
    DOI
    出版ステータスPublished - 2009
    イベントOptical Measurement Systems for Industrial Inspection VI - Munich
    継続期間: 2009 6 152009 6 18

    Other

    OtherOptical Measurement Systems for Industrial Inspection VI
    CityMunich
    Period09/6/1509/6/18

    ASJC Scopus subject areas

    • Applied Mathematics
    • Computer Science Applications
    • Electrical and Electronic Engineering
    • Electronic, Optical and Magnetic Materials
    • Condensed Matter Physics

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